OpenTechnical

OT-2026-000019492

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000019492) never changes.

Identity and time

Publication numberOT-2026-000019492 · never reused
Internal UUID01a0ae6e-f393-77f5-a528-7281a0df1a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019492
StatusPUBLIC

Content hashes

Canonical text6152a5e9b4b1029ba6da0781e96fd5b230bf707fddbddbba7a445105163a86e5
Markdownd21be37b1b2841f817035c1422fb32ea5aad49b1b41b3f591bcbd40083570bb2
PDF
Publication paged25d0fa8df10f61e1b6f5e691f9499d7a724153e5e08ada7858a7ddebae664db
Manifest63eea9ac90e9fd621aa7f68951964b2fe28ce38d09ff26b88852fc18eff81914

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturenYslIITSBE+EE/ele28a21vi2v6IhMCaDBkCULXEfDsbqufef8rLAzDOOwWu3pRv6SW7wNtpD2GE9+UJmtO1Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:55.118000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019492
observed d25d0fa8df10f61e1b6f5e691f9499d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:55.095501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019492/manifest.json
observed 63eea9ac90e9fd621aa7f68951964b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:55.074572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019492/publication.md
observed d21be37b1b2841f817035c1422fb32ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:55.054256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019492/publication.txt
observed 6152a5e9b4b1029ba6da0781e96fd5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.